India Starts Nuclear Reactor After Lengthy Delays

NEW DELHI—India has connected a much-delayed nuclear complex to the power grid in the south of the country and expects it to be supplying millions of industrial and household consumers with it by year-end.

The commissioning of the reactor will ease India's crippling power shortages and help bridge a power-supply gap estimated at up to 9% of total demand. It comes as India is trying to close a reactor deal with Russia as part of a...